Steve Irwin: 1962-2006
Exuberant environmentalist Steve Irwin, 44, seen here in an undated photo released by Animal Planet, died Sept. 4, 2006, on the Great Barrier Reef in Australia after being stabbed in the heart by a stingray's barb while he was on a filming expedition for the network.
Author: CBS News Staff
Credit: AP Photo/Animal Planet, HO
